Other changes........................................................................................................................................... 9
Revision History............................................................................................................................... 9
Navigation................................................................................................................................................. 11
Getting product training............................................................................................................................. 11
Chapter 3: Introduction......................................................................................................
Subject...................................................................................................................................................... 13
Applicable systems................................................................................................................................... 13
System migration.............................................................................................................................. 13
Intended audience.................................................................................................................................... 14
Conventions.............................................................................................................................................. 14
Terminology...................................................................................................................................... 14
Related information................................................................................................................................... 14
Technical Documentation................................................................................................................. 15
Online............................................................................................................................................... 15
Contents.................................................................................................................................................... 17
PRI Red alarm (local alarm)...................................................................................................................... 17
Channel restoration.......................................................................................................................... 18
Channel restoration.......................................................................................................................... 19
PRI problems............................................................................................................................................ 19
D-channel problems.................................................................................................................................. 21
Contents.................................................................................................................................................... 23
PRI commands (LD 60)............................................................................................................................. 24
PRI messages........................................................................................................................................... 25
DCHI quick reference................................................................................................................................ 25
D-channel commands (LD 96).................................................................................................................. 25
DCH messages......................................................................................................................................... 27
MSDL commands...................................................................................................................................... 27
Maintenance service messages................................................................................................................ 28
Service message function................................................................................................................ 29
Service message commands........................................................................................................... 30
PRI status check....................................................................................................................................... 30
PRI startup................................................................................................................................................ 32
Network Call Trace.................................................................................................................................... 34
ISDN Primary Rate Interface Maintenance
Contents
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11
13
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November 2011
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